MVC 5 Html page data with same formate convert base 64 and display

Persional Details,

Family details,

Income details like

model.Income ,model.Address ,model.Family like diffret model class i bind one html page when i click submit i need to submit this hole page data like pdf this data convert base 64 and need to send api in this how

Multple view bags are having 20 viewbags data i display so all i need to display view page this data i need to convert pdf and this pdf convert ase 64 and need to sent how

1. Retrieve the HTML data from the HTML page or view bags in your controller action.

2. Convert the HTML data to a byte array using the appropriate encoding (e.g., UTF-8).

3. Convert the byte array to Base64 string using the Convert.ToBase64String method.

4. Send the Base64 string to the desired API using an HTTP request (e.g., using the HttpClient class).

Here's an example of how you can achieve this:
 

using System;
using System.Net.Http;
using System.Text;
using System.Web.Mvc;

namespace YourNamespace.Controllers
{
    public class YourController : Controller
    {
        public ActionResult YourAction()
        {
            // Retrieve HTML data from view bags or HTML page
            string htmlData = ViewBag.HtmlData; // Replace with your own code to retrieve HTML data

            // Convert HTML data to byte array
            byte[] htmlBytes = Encoding.UTF8.GetBytes(htmlData);

            // Convert byte array to Base64 string
            string base64Data = Convert.ToBase64String(htmlBytes);

            // Send the Base64 string to the other API
            SendDataToOtherAPI(base64Data); // Replace with your own code to send data to the API

            // Optionally, pass the Base64 string to the view to display it
            ViewBag.Base64Data = base64Data;

            return View();
        }

        private void SendDataToOtherAPI(string base64Data)
        {
            // Create an instance of HttpClient
            using (var httpClient = new HttpClient())
            {
                // Set the API endpoint URL
                string apiUrl = "https://example.com/api/endpoint"; // Replace with your API endpoint URL

                // Create an HTTP content with the Base64 data
                var content = new StringContent(base64Data, Encoding.UTF8, "application/base64");

                // Send a POST request to the API endpoint
                var response = httpClient.PostAsync(apiUrl, content).Result;

                // Check the response status and handle it accordingly
                if (response.IsSuccessStatusCode)
                {
                    // Data sent successfully
                }
                else
                {
                    // Error occurred while sending data
                }
            }
        }
    }
}